<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="utf-8">
    <title>{{ title }}</title>
    <style>
      html, body {
        box-sizing: border-box;
        margin: 0;
      }
      #contents {
        white-space: pre;
        font-family: monospace;
      }
    </style>
  </head>
  <body>
    <div id="contents">{{ contents }}</div>
  </body>
</html>
